Schmidt hammer exposure-age dating of periglacial and glacial landforms in the Southern Swiss Alps based on <i>R</i>-value calibration using historical data
<p>As a contribution to the palaeoenvironmental history reconstruction of the Alpine periglacial domain, this study focuses on the Schmidt hammer exposure-age dating (SHD) of (peri-)glacial landforms using rebound-value (<span class="inline-formula"><i>R</i></spa...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | DE EN FR IT |
| Publicado: |
Copernicus Publications
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/60aa820a25514612afea44ef73362724 |
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| Sumario: | <p>As a contribution to the palaeoenvironmental history reconstruction of the Alpine periglacial domain, this study focuses on the Schmidt hammer exposure-age dating (SHD) of (peri-)glacial landforms using rebound-value (<span class="inline-formula"><i>R</i></span>-value) calibrations for 10 stations in the Scaradra glacier forefield (north-eastern part of the Ticino Canton, Lepontine Alps) and for 13 stations in the Splügenpass region (located between Switzerland and
Italy, Rhaetian Alps). Linear calibration based on the known age of several
moraines of the Scaradra glacier assessed by historical cartography allowed
the reconstruction of the glacier fluctuations around the end of the Little
Ice Age. Timing of deglaciation and of rock glacier development was defined
in the Splügenpass region using the calibration of exposure ages based
on two mule tracks built in 300 CE and 1250 CE, respectively. Discussion on <span class="inline-formula"><i>R</i></span>-value analysis and calibration improves the knowledge on the potential use of SHD for numerical-age dating in Alpine geomorphological studies.</p> |
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